p.d2l?ou

=45203&

\ \

d2|

| lou

=45203&

isprv

=8qqi=36178&cfq=08dnb=08

fromQB

=08

inProgress

=0

\ 2uestion 1 ( 4 points)\ The hypotheses

H_(0):\\\\mu =350

and

H_(a):\\\\mu >350

are examined using a sample of size

n=20

. The onesample

t

statistic has the value

t_(0)=1.68

. What do we know about the P-value of this test?\ P-value

\ (hior)

from

QB=08

inProgress

=0

\ Ruestion 1 ( 4 points)\ The hypotheses

H_(0):\\\\mu =350

and

H_(a):\\\\mu >350

are examined using a sample of size

n=20

. The onesample

t

statistic has the value

t_(0)=1.68

. What do we know about the P-value of this test?\ P-value

\ Shro

1

P-value

\

0.025

P-value

\

0.05

P-value

\ Question 2 (4 points)\ The heights of young American women, in inches, are normally distributed with a mean of

\\\\mu

and a standard deviation of

\\\\sigma =2.4

. A simple random sample of four young American women is selected and their heights measured. The four heights, in inches, are\

63696266

\ Based on these data, what is a

99%

confidence interval for

\\\\mu

?\

65.00+-1.55

\

65.00+-2.84

\

65.00+-3.09

\

65.00+-4.07

\ Question 3 (3 points)\ An agricultural researcher plants 25 plots with a new variety of yellow corn. Assume that the yield per acre for the new variety of yellow corn follows a normal distribution with unknown mean

\\\\mu